Photo source: Wikimedia Commons, House of Mhatre
- Lombardy: 10.3 million
- Lazio: 5.7 million
- Campania: 5.6 million
- Veneto: 4.8 million
- Sicily: 4.8 million
- Emilia-Romagna: 4.4 million
- Piedmont: 4.3 million
- Apulia: 3.9 million
- Tuscany: 3.6 million
- Calabria: 1.8 million
- Sardinia: 1.6 million
- Liguria: 1.5 million
- Marche: 1.5 million
- Abruzzo: 1.3 million
- Friuli-Venezia Giulia: 1.2 million
- Trentino-South Tyrol: 1.1 million
- Umbria: 930 thousand
- Basilicata: 559 thousand
- Molise: 324 thousand
- Aosta Valley: 143 thousand